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PDF ( 数据手册 , 数据表 ) MTD6501D

零件编号 MTD6501D
描述 3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver
制造商 Microchip
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MTD6501D 数据手册, 描述, 功能
MTD6501C/D/G
3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver
Features
• Position Sensorless BLDC Drivers (No Hall
Sensor Required)
• 180° Sinusoidal Drive, for High Efficiency and Low
Acoustic Noise
• Support 2V to 14V Power Supplies
• Speed Control Through PAM and/or PWM
• Built-in Frequency Generator (FG Output Signal)
• Built-in Lock-up Protection and Automatic
Recovery Circuit (External Capacitor not
Necessary)
• Built-in Over Current Limitation and Short Circuit
Protection
• Built-in Thermal Shutdown Protection
• Thermally Enhanced SOP-8 Package for
MTD6501C and MTD6501G (Maximum Output
Current – 800 mA);
• MSOP-10L Package for MTD6501D (Maximum
Output Current – 500 mA)
• 20 kHz PWM Output Frequency for MTD6501C/D
and 23 kHz for MTD6501G
• Boost Mode (Optional Back Electromotive Force
(BEMF) Pre-amplification in MTD6501D)
• No External Tuning Required
The MTD6501C/D/G devices are formerly products of
Advanced Silicon.
Description
The MTD6501C/D/G devices are 3-phase, full-wave
drivers for brushless sensorless DC motors. They
feature 180° sinusoidal drive, high torque output, and
silent drive. Due to their adaptive features and wide
power-supply range capabilities (2V to 14V), they are
intended to cover a wide range of motor characteristics,
while requiring no external tuning from the user. Speed
control can be achieved through either power supply
modulation or pulse-width modulation (using the PWM
digital input pin).
Due to the compact packaging and minimum bill of
materials (power transistors incorporated, no Hall
sensor, no external tuning), they are best suited for low-
cost fan applications requiring high efficiency and low
acoustic noise, such as CPU cooling fans. Frequency
generator output enables precision speed control in
closed-loop applications. The MTD6501C/D/G drivers
include a Lock-up Protection mode, which turns off the
output current when the motor is under lock condition,
and an automatic recovery that enables the fan to run
when the lock condition is removed. Motor overcurrent
limitation, short-circuit protection and thermal-
shutdown protection are also included.
The MTD6501C and the MTD6501G are available in a
compact thermally-enhanced SOP-8 package, while
the MTD6501D is available in the MSOP-10L package.
Package Types
MTD6501C, MTD6501G
SOP-8
FG 1
8 PWM
VDD 2
OUT1 3
OUT2 4
7 VCC
6 OUT3
5 GND
MTD6501D
MSOP
FG 1
GND 2
VDD 3
OUT1 4
OUT2 5
10 PWM
9 BOOST
8 VCC
7 OUT3
6 GND
2010-2012 Microchip Technology Inc.
DS22263B-page 1







MTD6501D pdf, 数据表
MTD6501C/D/G
NOTES:
DS22263B-page 8
2010-2012 Microchip Technology Inc.







MTD6501D equivalent, schematic
MTD6501C/D/G
Note: For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
DS22263B-page 16
2010-2012 Microchip Technology Inc.










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